An arrest record can inflict severe, long-term collateral damage on your life, even if your case was entirely dismissed, the District Attorney rejected the charges, or you were acquitted at trial.

In California, an arrest record remains publicly accessible on standard background checks, threatening employment opportunities, housing applications, professional licensing, and personal reputations.

California Penal Code 851.8 PC provides a powerful legal remedy for individuals who were wrongfully arrested.

Unlike a standard expungement—which merely changes a past conviction to a dismissal—a granted Petition for Factual Innocence completely seals and ultimately destroys the arrest record, legally declaring that the arrest should never have occurred.

Statutory Language: PC 851.8

The legal mechanics, burdens of proof, and absolute relief provided by this process are established under specific statutory language:

851.8 (a) In any case where a person has been arrested and no accusatory pleading has been filed, the person may petition the law enforcement agency having jurisdiction over the offense to destroy its records of the arrest. A copy of the petition shall be served upon the district attorney... The law enforcement agency shall, upon a determination that the person is factually innocent, seal its arrest records, and the petition for a period of three years from the date of the arrest and thereafter destroy the arrest records and the petition.

851.8 (b) If a law enforcement agency denies a petition to destroy arrest records... the petition may be made to the superior court which would have had jurisdiction over the matter. The hearing shall be conducted as provided in subdivision (c)... If the court finds the charge to be unsupported by any credible evidence, and that the person is factually innocent, the court shall grant the relief provided in subdivision (a).

Key Statutory Definitions

Because a Petition for Factual Innocence is a post-arrest or post-trial motion, it is governed directly by California statutory codes and evidentiary rules rather than standard pretrial CALCRIM jury instructions. However, the legal standard utilizes strict, established judicial criteria:

Factual Innocence

To be deemed factually innocent under Penal Code 851.8 PC, a petitioner must show more than a lack of proof or a presence of reasonable doubt. The petitioner must demonstrate that no reasonable cause existed to arrest them in the first place. Legally, this means that no person of ordinary care and prudence would believe or entertain an honest and strong suspicion that the person arrested is guilty of the crime.

Reasonable Cause

Reasonable cause (often synonymous with probable cause) is the standard law enforcement must meet to make an arrest. In an 851.8 PC proceeding, the court examines whether the facts known to the officer at the time of the arrest legally justified that restraint of liberty.

Detention vs. Arrest (Penal Code 849.5 & 851.6)

If an individual is arrested and released without formal charges being filed, California law mandates that the arrest be reclassified as a detention only. While a certificate of detention under PC 851.6 modifies the record to show you were merely detained rather than arrested, the record itself is not erased. An 851.8 PC petition is still required to permanently seal and destroy the underlying record.

What Must Be Proven to Win the Petition?

Winning a Petition for Factual Innocence requires navigating a shifting burden of proof. The petitioner bears the initial, heavy legal burden to demonstrate that the arrest was entirely unsupported by facts.

The Petitioner's Initial Burden

The petitioner must present compelling evidence demonstrating that there was no reasonable cause to believe they committed the offense.

The standard is incredibly high; a dismissal or an acquittal does not inherently prove factual innocence. The defense must present affirmative evidence, which may include:

• Alibi documentation (time-stamped receipts, travel logs, digital data)

• Surveillance footage or third-party video recordings contradicting the police narrative

• Comprehensive phone records, GPS data, or text messages

• Clear DNA, forensic, or fingerprint evidence exonerating the petitioner

• Sworn declarations or statements from credible witnesses

• Police reports demonstrating fatal inconsistencies or fabrications by an accuser

The Prosecution's Shifting Burden

If the petitioner successfully demonstrates a total absence of reasonable cause, the burden shifts directly to the prosecution.

The District Attorney must then prove that there was reasonable cause to believe the petitioner committed the crime at the time of the arrest. If the prosecution cannot meet this counter-burden, the judge must grant the petition.

Penalties and Regulatory Structure for Non-Compliance

While Penal Code 851.8 PC does not penalize the defendant, it imposes strict, mandatory timelines and operational requirements on California law enforcement and judicial bodies.

The Two-Step Legal Process

1. Administrative Step: The petitioner must first submit a written request directly to the arresting law enforcement agency. The agency has exactly 60 days to review the evidence and respond.

2. Judicial Step: If the law enforcement agency denies the request or fails to respond within the 60-day window, the petitioner may then file a formal petition with the Superior Court holding jurisdiction over the matter.

Enforcement Actions Upon Approval

If the judge or the law enforcement agency grants the Petition for Factual Innocence, strict operational compliance is triggered:

• Immediate Sealing: The arresting law enforcement agency, the prosecuting agency, and the California Department of Justice (DOJ) must immediately seal all arrest records, police logs, and case files.

• Three-Year Retention Boundary: The records must remain completely sealed, hidden, and unavailable to the public or any licensing agency for exactly three years from the original date of the arrest.

• Absolute Destruction: Upon reaching the three-year mark, all physical and digital records of the arrest and the petition itself must be permanently destroyed and erased from every database.

Defense Strategies to Secure Factual Innocence

Successfully clearing your record through PC 851.8 demands a strategic, assertive presentation of evidence to overcome judicial reluctance.

• Exposing False Allegations: In cases involving domestic violence, assault, or fraud, arrests are frequently made based entirely on a complaining witness's statement. Defense counsel can utilize text messages, emails, and cross-examination transcripts to prove the accuser fabricated the claim, establishing that the arrest was built on a lie.

• Establishing Mistaken Identity: Presenting definitive biometric, photographic, or digital tracking evidence proving that the petitioner could not physically have been the perpetrator, thereby rendering the original identification by law enforcement entirely unreasonable.

• Leveraging Third-Party Exoneration: Utilizing post-arrest investigations—such as another individual confessing to the crime or forensic test results identifying a different suspect's DNA—to prove that the petitioner is completely disconnected from the criminal act.

• Exploiting the Absolute Absence of Evidence: Demonstrating that the police acted purely on speculation, neighborhood rumors, or unlawful profiling, showing the court that no physical, circumstantial, or credible testimonial evidence ever tied the petitioner to the offense.

Hypothetical Examples

• The Definitively Documented Alibi: A person is arrested at an airport based on an anonymous tip alleging they committed a commercial burglary across town an hour prior. The defense presents workplace keycard access logs, facial-recognition timeclock data, and continuous corporate security footage proving the individual was at their desk miles away when the crime occurred, successfully securing an 851.8 PC order.

• The Fabricated Claim: An individual is arrested for making criminal threats based on an ex-spouse's police report. The defense recovers deleted text communications showing the ex-spouse stated they would "fake a police report to ruin your career," proving the arrest was built entirely on a bad-faith fabrication without reasonable cause.

• The Forensic Exoneration: A driver is arrested for possession of a controlled substance after a white powder is found in their vehicle's glovebox. Subsequent laboratory testing by a forensic chemist proves the substance is an over-the-counter baking supplement, and the defense uses this undisputed scientific result to establish absolute factual innocence.

Related Laws

Penal Code 1203.4 PC – California Expungement

Related laws matter because they dictate what level of record clearance you are eligible for based on the final outcome of your criminal matter.

• Why it matters: Unlike PC 851.8, an expungement applies only after a conviction and probation are completed; it releases you from criminal penalties but leaves the arrest record visible on your background check.

Penal Code 851.91 PC – Automatic Arrest Sealing (CARE Act)

Related laws matter because they outline alternative, lower-threshold statutory paths to hide arrest records when factual innocence cannot be completely proven.

• Why it matters: This law allows individuals whose charges were dismissed or never filed to seal their arrest records as a matter of right, but it does not completely destroy the records or legally declare the individual innocent.

Penal Code 1473.7 PC – Motion to Vacate a Conviction

Related laws matter because they provide the necessary bridge to eliminate a past conviction before you can legally target the underlying arrest record.

• Why it matters: This statute permits individuals no longer in custody to vacate a conviction based on prejudicial errors or newly discovered evidence of actual innocence, setting the stage for a subsequent factual innocence petition.

Frequently Asked Questions

How long do I have to file a Penal Code 851.8 PC petition?

A Petition for Factual Innocence must be filed within two years from the exact date of the arrest, though courts may waive this timeline if good cause for the delay is demonstrated.

Is a District Attorney rejection (DA Reject) enough to clear my record?

No. A DA Reject simply means the prosecutor declined to file formal charges at that time, but the arrest record remains visible to employers and the public until sealed via an 851.8 PC petition.

Will employers be able to see my arrest if the petition is granted?

No. Once the petition is granted and the record is sealed, you can legally state under California law that you have never been arrested for that offense, and it will not appear on standard background checks.

What is the core difference between factual innocence and a case dismissal?

A dismissal means there was insufficient evidence to convict you beyond a reasonable doubt at trial. Factual innocence means there was no credible evidence to even arrest you in the first place, completely vindicating your record.

Can I file a petition for factual innocence if I was acquitted by a jury?

Yes. An acquittal means the jury found you not guilty, but you must still file a PC 851.8 petition and prove to a judge that the original arrest was entirely unsupported by reasonable cause.

What happens to my fingerprints and mugshot when the petition is granted?

Every component of your booking record—including your mugshot, physical fingerprints, digital biometric scans, and police logs—is sealed for three years and then permanently destroyed.

Can a law enforcement agency grant the petition without going to court?

Yes. If you submit the initial administrative petition to the arresting agency and they review your evidence and agree you are innocent, they can seal and destroy the records without requiring a formal court hearing.

What happens if the judge denies my Penal Code 851.8 petition?

 If the Superior Court judge denies the petition, the arrest record will remain on your criminal history. However, you may still be eligible to seal the record under the lower standard of Penal Code 851.91 PC.

Speak with a California Defense Attorney

Filing a Petition for Factual Innocence under Penal Code 851.8 PC requires exhaustive legal analysis, precise investigation, and an ironclad presentation of evidence.

Because judges and law enforcement agencies are inherently hesitant to declare an arrest entirely baseless, success often hinges upon the skill and thoroughness of your legal representation.

The criminal defense attorneys at Cron, Israels & Stark possess deep experience helping wrongfully accused individuals clear their names throughout Southern California.

We defend and represent clients in courts across Los Angeles, Orange County, Santa Barbara, Long Beach, Anaheim, Ventura, Hollywood, Torrance, Riverside, and San Bernardino. Contact our office today to secure your reputation, protect your career, and completely erase your wrongful arrest record.